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Giannini Roofing & Siding
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Verified record
License not state-verified. We could not confirm a current registration in the state registry. Insurance is self-reported.
Highlights
- Manufacturer certified -- CertainTeed, GAF and Owens Corning authorized installer
- 20+ years experience -- Matthew Giannini brings two decades in the trade
Giannini Roofing & Siding is a family-owned roofing, siding, gutter, window and door contractor on Massachusetts's South Shore, founded in 2021 by Matthew Giannini, who says he brings more than 20 years of experience in the trade. The company is an authorized installer for CertainTeed, GAF and Owens Corning, and holds CertainTeed's ShingleMaster certification -- manufacturer credentials tied to training and installation standards for their products. It offers free estimates and 24/7 emergency service, and states a service area running from Weymouth and Abington through Bridgewater, Brockton and Marshfield down to Cohasset and Scituate. A fit for a South Shore homeowner set on manufacturer-certified roofing or siding materials; confirm current turnaround on estimates and emergency-call response before booking.
Specializes in
Roofing
What does a roof replacement cost in Greater Boston?
Typical Greater Boston range for this kind of work, from regional averages — not a quote from Giannini Roofing & Siding. Use it to sanity-check bids, then get the real number in writing.
A square is 100 sq ft of roof surface — bigger than the floor plan because of pitch and overhangs.
Estimated range
$9,000 – $18,600
Typical roofing project around $13,800
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